JP3015173B2 - Construction board structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a building plate mainly used as a ceiling plate of a bathroom or a kitchen.

[0002]

2. Description of the Related Art Conventionally, a building board such as a ceiling board is provided with a fitting recess 21 at one end of a building board 20 and a fitting projection 22 at the other end. Are fixed to the building plate adjacent to the fitting recess 21 by mounting the ceiling plate 20 on the lower surface of the mounting member 25 and fixing the fixing piece 23 with the fixing tool 26 as shown in FIG. The fixing projection 23 of the adjacent building board 20 is fixed to the mounting member 25 by the fixing member 26 by fitting the fitting protrusion 22 of the fitting 20. Then, a lower abutting piece 27 provided at one end of the building board 20
Was in contact with the side end surface of the adjacent building board 20.

[0003]

However, in the above-mentioned conventional example, the lower abutting piece 27 provided at one end of the building board 20 is brought into contact with the side end face of the adjacent building board 20. The fitting projection 22 provided at the other end of the building board 20 is fitted into contact with the upper surface of the lower horizontal piece of the fitting recess 21, and the adjacent building board 20
Although the airtightness of the connecting portions between them was maintained, sufficient airtightness could not be maintained due to dimensional errors and construction errors of the building boards 20.

The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to provide a structure of a building board capable of maintaining the airtightness of a connecting portion between building boards. It is in.

[0005]

According to the structure of the building board of the present invention, the building board 4 is a ceiling board provided with a metal skin 4a,
Being hooked on the upper end of the side wall formed on both sides of the building board 4
The strips 3a and 3b are formed to protrude to the side, and the lower ends of both side walls are formed.
The overlapping pieces 18a and 18b protrude toward the side, and the overlapping piece 18a at one side end is replaced with the overlapping piece 18b at the other side end.
Displaced upward from the upper and lower portions, so that both overlapping pieces 18a, 18b
A groove 31 having a narrow opening side and a wide depth is formed in at least an upper surface portion of the overlapping piece 18b at the lower position or a lower surface portion of the overlapping piece 18a at the upper position, and the synthetic resin portion 32 having elasticity fills the groove portion 31. And the upper portion of the synthetic resin portion 32 having elasticity is projected from the upper surface of the lower overlapping piece 18b to the lower surface of the upper overlapping piece 18a. By adopting the configuration, the above-described problems of the conventional example are solved and the object of the present invention has been achieved.

[0006]

According to the present invention, the overlapping pieces 18a,
A groove 31 having a narrow opening side and a wide depth is formed in at least the upper surface portion of the lower overlapping portion 18b and the lower surface portion of the upper overlapping portion 18a of the overlapping portion 18b, and the synthetic resin portion 32 having elasticity fills the groove portion 31. When the building boards 4 are connected to each other, the upper portion of the synthetic resin portion 32 having elasticity is projected from the upper surface of the lower overlapping piece 18b to the lower surface of the upper overlapping piece 18a. The synthetic resin portion 3 having elasticity integrated with at least one of the overlapping pieces 18a and 18b when the adjacent overlapping pieces 18a and 18b are overlapped.
The two hermetically overlapping portions are kept airtight. In this case, since the synthetic resin portion 32 having elasticity is filled in the groove portion 31 having a narrow opening side and a wide width portion, the overlapping piece 18a is firmly attached without the synthetic resin portion 32 filled in the groove portion 31 coming off. Alternatively, it is integrated with the overlapping piece 18b.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the accompanying drawings. 1 to 3 show an embodiment of the present invention. In the present invention, an embodiment of a ceiling board is shown as the building board 4. In the embodiment shown in the accompanying drawings, the building board 4 is formed by filling a concave portion on the upper surface side of a metal outer cover 4a such as aluminium with a synthetic resin foam 4b. Outer skin 4a
The upper portions of both ends are recessed inward to form side recesses 17,
The upper horizontal piece of the side recess 17 is the hooked piece 3, and the length of one of the hooked pieces 3 a of the both hooked pieces 3 protruding laterally is longer than that of the other hooked piece 3 b. ing. Further, overlapping pieces 18a and 18b project laterally from lower ends of both ends of the outer cover 4a.
One of the overlapping pieces 18a of 8a and 18b is located one step higher than the other overlapping piece 18b.

[0008] Of the two overlapping pieces 18a and 18b, at least the upper portion of the lower overlapping piece 18b to the upper overlapping piece 18b.
A groove 31 having a narrow opening side and a wide depth is formed in the lower surface portion of a. The groove portion 31 is filled with a hot-melt type synthetic resin, and the lower portion of the synthetic resin portion 32 is
It is buried in one. When the hot-melt type synthetic resin is filled and the synthetic resin portion 32 is embedded in the groove 31, a part of the synthetic resin projects from the upper surface of the lower overlapping piece 18b to the lower surface of the upper overlapping piece 18a. To do it. As a result, a part of the synthetic resin part 32 whose lower part is integrally embedded in the groove part 31 rises to the outside and protrudes to form a contact part 32a.

In the embodiment shown in the attached drawings, a groove 31 is provided on the upper surface of the overlapping piece 18b at the lower position, and the groove 31 is formed.
1 shows an embodiment in which the synthetic resin part 32 is embedded integrally and a part thereof is projected upward from the overlapping piece 18b at the lower position, but the groove part 31 is provided on the lower surface part of the overlapping piece 18a at the upper position.
The synthetic resin portion 32 may be embedded in the groove portion 31 so that a part thereof protrudes downward from the overlapping piece 18b at the upper position.

When the building board 4 having the above structure is used as a ceiling board, the construction board 4 is constructed as shown in FIGS. That is, the bolt 11 is hung from a building base material (not shown) such as a ceiling slab, and the bolt 11 is hung by the hanger member 12 to have a long edge support 13.
Is suspended. A plurality of the long field margin supports 13 are suspended in parallel at a predetermined interval. A plurality of long mounting members 1 serving as a plurality of ridges are arranged below the ridge receiver 13 in a direction perpendicular to the ridge receiver 13, and the mounting members 1 are attached to the ridge receiver 13 by clips 14. is there. The clip 14 has, for example, an inverted U-shaped cross section, and has an inverted T-shaped engaging portion 15 at a lower end portion. Fifteen
Are configured to protrude downward from the ridge receiver 13. Then, as shown in FIG. 4, the locking portion 15 is locked to the locked portions 16 at both ends of the upper opening of the mounting member 1 whose upper side is open.

The mounting member 1 thus mounted
, A plurality of hook pieces 2 are vertically provided at regular intervals in the longitudinal direction. The hook piece 2 has a substantially inverted T-shape, and one of the hook pieces 2a and 2b on both lower sides has a shorter laterally projecting length than the other hook piece 2b. It is formed so that it becomes. As shown in the figure, the peripheral edge 7 has one side piece of an inverted U-shaped concave piece 19 longer than the other side piece, and the lower side portion extends downward from the lower end of the longer side piece. The horizontal piece 19a is running out.

However, in order to construct the building board 4, the building board 4 is disposed between the hook pieces 2 and the hook pieces 3 at both ends are provided.
Is hooked on the hook piece 2 to attach the building board 4 to the mounting member 1. In this case, the tip of the hooked piece 3a having a long laterally projecting length of the building board 4 is connected to the substantially inverted T-shaped hooking piece 2 provided on the mounting member 1 with a long laterally projecting length. Into the upper part of the hook piece 2a,
In this state, the hooked piece 3b having a short laterally protruding length is pushed up, and in this state, the building board 4 is connected to the adjacent hooking piece 2 (this is the one where the laterally protruding length is short). Side 3b.
Is hooked on the shorter hook piece 2b, and at the same time, the longer hook piece 3a is hooked on the longer hook piece 2a. Thus, the building board 4 is attached to the mounting member 1.
In this case, the construction board 4 is attached to the attachment member 1 by a hooking method with an elastic lifting prevention member 30 interposed between the back surface of the construction board 4 and the attachment member 1. Nevertheless building board 4
It does not rattle, especially preventing it from rising upward. Incidentally, the above-mentioned elastic lifting preventing member 30 may be fixed to any one of the upper surface of the building board 4 and the lower surface of the mounting member 1 in advance.
May be elastically inserted between the upper surface of the building board 4 and the lower surface of the mounting member 1 after being hooked and mounted on the mounting member 1. Elastic lifting prevention member 30
For example, a packing, a synthetic resin foam, or the like can be considered, but a material having another elasticity may be used.

As described above, the building boards 4 are arranged side by side and hung one after another.
The overlapping pieces 18a and 18b are constructed so that the overlapping pieces 18a and 18b are vertically overlapped.
When 8b is overlaid, the airtightness is maintained by overlapping the elastic synthetic resin portion 32, which is integrated with at least one of the overlapping pieces 18a and 18b, via a protruding portion.

When the mounting work of the building board 4 on the wall 5 side is completed as described above, the lower edge of the gap 6 between the end of the building board 4 located at the end on the wall 5 side and the wall 5 is formed from below. 7, the upper bottom piece of the concave piece 19 of the peripheral edge 7 is applied to the mounting member 1, and the peripheral edge 7 is mounted on the mounting member 1 by the fixing tool 8. In this case, a lower horizontal piece 19a extending laterally from the lower end of the longer side piece of the inverted U-shaped concave piece 19
Are overlapped on the lower surface of the end of the building board 4 located at the end on the wall 5 side. Here, the lower end of the shorter side piece of the inverted U-shaped concave piece 19 and the tile-finished surface 9 formed on the wall surface
A caulk 10 is filled between the upper end of the coke and watertightness and airtightness of this portion.

A peripheral edge 7 is attached to the end of the building board 4 at the side orthogonal to the end where the hook piece 3 is provided, in the same manner as shown in FIG.

[0016]

In the present invention, according to the present invention, as described above, architecture
The board is a ceiling board with a metal skin, and both sides of the building board
The hook piece protrudes sideways on the upper end of the side wall formed in the section
The overlapping pieces protrude laterally at the lower end portions of both side walls, and the overlapping pieces on one side end are shifted above the overlapping pieces on the other side end and are arranged. At least the upper side of the lower overlapping piece or the lower side of the upper overlapping piece forms a groove with a narrow opening side and a wide width at the lower side, and the groove is filled with an elastic synthetic resin part and has elasticity. Since the upper portion of the synthetic resin portion has an upper portion protruding from the lower portion of the upper portion of the overlapping piece at the lower position or the lower portion of the upper portion of the overlapping piece at the upper position, the overlapping portion is overlapped when the adjacent overlapping pieces are overlapped when building boards are connected to each other. Airtightness is maintained by overlapping through a projecting portion of an elastic synthetic resin portion integrated with at least one of the above, and airtightness can be maintained by means of airtightness provided on the building board itself. In this case, the opening side is narrow and Since the wide groove is filled with an elastic synthetic resin part, the synthetic resin part filled in the groove is integrated into the overlapping piece or the overlapping piece without falling off, and synthesized in the construction. The resin portion does not fall off.

[Brief description of the drawings]

FIG. 1 is a sectional view of a building board of the present invention.

FIG. 2 is an enlarged cross-sectional view of the overlapping piece portion of the above.

FIG. 3 is a front sectional view showing construction of the building board according to the first embodiment.

FIG. 4 is a side sectional view of the same.

FIG. 5 is a perspective view of the same.

FIG. 6 is a sectional view of a conventional example.

[Explanation of symbols]

 4a Building board 18a Overlapping piece 18b Overlapping piece 31 Groove 32 Synthetic resin part

Claims (1)

(57) [Claims] 1. A building board is a ceiling board having a metal skin.
To the upper end of the side wall formed on both sides of the building board.
The hanging piece is formed to protrude sideways, the overlapping piece protrudes toward the side at the lower end of both side walls, and the overlapping piece of one side end is shifted upward from the overlapping piece of the other side end. A groove having a narrow opening side and a wide depth is formed on at least the upper surface portion of the lower overlapping portion and the lower surface portion of the upper overlapping portion of both overlapping pieces, and the elastic portion is filled in the groove portion. A structure of a building board, wherein an upper portion of a synthetic resin portion having elasticity is projected from an upper surface portion of a lower overlapping piece to a lower surface portion of an upper overlapping piece.